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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2078 (Lighting System) >> Interior Room Lamp >> Ignition Keyhole Illumination Control Does Not Operate
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Ignition Keyhole Illumination Control Does Not Operate

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK EACH SWITCH 

    Select "BCM" on CONSULT-II. With "INT LAMP" data monitor, make sure switches listed in display item list turn ON-OFF linked with switch operation. Refer to "DISPLAY ITEM LIST " for switches and their functions.

    OK or NG 

    OK: GO TO 2.

    NG: Inspect malfunctioning switch system.

    Fig 1: CONSULT II Display - DATA MONITOR
    G04903713Courtesy of NISSAN MOTOR CO., U.S.A.
  2. ACTIVE TEST 
    1. Select "BCM" on CONSULT-II. Select "INT LAMP".
    2. Select "IGN ILLUM" active test to make sure lamp operates.

    OK or NG 

    OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

    NG: GO TO 3.

    Fig 2: CONSULT II Display - ACTIVE TEST
    G04903727Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK IGNITION KEYHOLE ILLUMINATION INPUT 
    1. Check voltage between ignition keyhole illumination harness connector M25 terminal + and ground.

      + - Ground : Battery voltage should exist. 

    OK or NG 

    OK: GO TO 4.

    NG: GO TO  6.

    Fig 3: Checking Voltage Between Ignition Keyhole Illumination Connector M25 Terminal + And Ground
    G04908663Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK IGNITION KEYHOLE ILLUMINATION BULB 
    1. Turn ignition switch OFF.
    2. Disconnect ignition keyhole illumination connector.
    3. Check continuity between ignition keyhole illumination terminals + and -.

      + - - : Continuity should exist. 

    OK or NG 

    OK: GO TO 5.

    NG: Replace ignition keyhole illumination bulb.

    Fig 4: Checking Continuity Between Ignition Keyhole Illumination Terminals
    G04908664Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT 
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector M18 terminal 1 and ignition keyhole illumination harness connector M25 terminal -.

      - - 1 : Continuity should exist. 

    OK or NG 

    OK: Replace BCM if ignition keyhole illumination does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".

    NG: Repair harness or connector.

    Fig 5: Checking Continuity Between BCM Connector M18 Terminal 1 And Ignition Keyhole Illumination M25 Terminal -
    G04908665Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK IGNITION KEYHOLE ILLUMINATION POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector and ignition keyhole illumination connector.
    3. Check continuity between BCM connector M20 (A) terminal 56 and ignition keyhole illumination connector M25 (B) terminal +.

      + - 56 : Continuity should exist. 

    OK or NG 

    OK: Replace BCM if ignition keyhole illumination does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".

    NG: Repair harness or connector.

    Fig 6: Checking Continuity Between BCM Connector M20 Terminal 56 And Ignition Keyhole Illumination Connector M25 Terminal +
    G04908666Courtesy of NISSAN MOTOR CO., U.S.A.
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